How can I shared controller logic in ASP.NET MVC for 2 controllers, where they are overriden

Posted by AbeP on Stack Overflow See other posts from Stack Overflow or by AbeP
Published on 2010-02-16T19:45:53Z Indexed on 2010/05/21 0:00 UTC
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Hello,

I am trying to implement user-friendly URLS, while keeping the existing routes, and was able to do so using the ActionName tag on top of my controller (http://stackoverflow.com/questions/436866/can-you-overload-controller-methods-in-asp-net-mvc)

I have 2 controllers:

ActionName("UserFriendlyProjectIndex")]
public ActionResult Index(string projectName) { ... }

public ActionResult Index(long id) { ... }

Basically, what I am trying to do is I store the user-friendly URL in the database for each project.

If the user enters the URL /Project/TopSecretProject/, the action UserFriendlyProjectIndex gets called. I do a database lookup and if everything checks out, I want to apply the exact same logic that is used in the Index action.

I am basically trying to avoid writing duplicate code. I know I can separate the common logic into another method, but I wanted to see if there is a built-in way of doing this in ASP.NET MVC.

Any suggestions?

I tried the following and I go the View could not be found error message:

[ActionName("UserFriendlyProjectIndex")]
public ActionResult Index(string projectName)
{
    var filteredProjectName = projectName.EscapeString().Trim();

    if (string.IsNullOrEmpty(filteredProjectName))
        return RedirectToAction("PageNotFound", "Error");

    using (var db = new PIMPEntities())
    {
        var project = db.Project.Where(p => p.UserFriendlyUrl == filteredProjectName).FirstOrDefault();
        if (project == null)
            return RedirectToAction("PageNotFound", "Error");

        return View(Index(project.ProjectId));
    }
}

Here's the error message:

The view 'UserFriendlyProjectIndex' or its master could not be found. The following locations were searched:
~/Views/Project/UserFriendlyProjectIndex.aspx
~/Views/Project/UserFriendlyProjectIndex.ascx
~/Views/Shared/UserFriendlyProjectIndex.aspx
~/Views/Shared/UserFriendlyProjectIndex.ascx
Project\UserFriendlyProjectIndex.spark
Shared\UserFriendlyProjectIndex.spark

I am using the SparkViewEngine as the view engine and LINQ-to-Entities, if that helps. thank you!

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